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Finding the Fourth Proportional to 283,024.72, 424,552.32 and 72,664.48

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Solution

The fourth proportional to 283,024.72, 424,552.32 and 72,664.48 is: 109,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,024.72 : 424,552.32 = 72,664.48 : x
  2. Step 2: Convert to fraction form
    283,024.72/424,552.32 = 72,664.48/x
  3. Step 3: Cross multiply
    283,024.72x = 424,552.32 × 72,664.48
  4. Step 4: Simplify right side
    283,024.72x = 30,849,873,565.59
  5. Step 5: Solve for x
    x = 30,849,873,565.59/283,024.72
  6. Step 6: Final answer
    x = 109,000.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.